Many photographers, especially Pros, are looking for ways to reduce the amount of extra equipment they have to carry during photo shoots. The CardBus CompactFlash Adapter's design provides for a compact, rugged card/adapter combination that can be inserted completely within its host computer without any external cabling. The CardBus CompactFlash Adapter supports the hot-swapping and plug-and-play capabilities that users have come to expect from older 16-bit PC Cards. The high transfer rate and ease of use make the CardBus CompactFlash Adapter competitive with USB 2.0 and FireWire readers. Takes Type I & Type II CompactFlash cards! 4-6 Times Faster Than Standard 16-Bit Adapters. CardBus is a high-performance 32-bit version of the PC Card standard. CardBus cards are able to take advantage of internal bus speeds that can be as much as four-to-six times faster than 16-bit PC Cards.